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BEYOND FIBER: Ask FOC

A Little Bit of Teflon

QUESTION: Where can I get a little bit of Teflon?   ANSWER: ÅngströmLink AL-2233 is basically that. A Teflon-like polymer dissolved in an evaporative solvent. To get a thin layer of ‘almost-Teflon’, make a thin layer of AL-2233 and let the solvent...
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Example of Micro Imprinting

QUESTION: What is an example of micro imprinting?   ANSWER: One of the best examples of wafer-level optics is the camera module on your mobile phone. The basic idea is to fabricate layers of microlenses that are stacked up to make the complete optical...
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